Controle Preditivo Robusto com Conjunto Finito de Estados para Máquinas de Indução
DOI:
https://doi.org/10.18618/REP.2022.3.0027Keywords:
Acionamento, Controle Preditivo, Finite Control Set, Motor de Indução, RobustoAbstract
Este trabalho propõe um controle preditivo robusto do tipo finite control set para acionamento de máquinas de indução, com controle de corrente no referencial dq alinhado ao fluxo do rotor da máquina. A robustez do controle é levada em consideração na modelagem do controlador e na escolha da orientação, que é feita de forma direta -- estimador Gopinath -- e indireta, para verificar a compatibilidade dos métodos de orientação com o controlador preditivo robusto por estados finitos proposto. Resultados experimentais do controle de corrente mostram robustez para variações nas resistências muito acima do esperado em uma aplicação prática, sem perder desempenho para até a 300% de erro de resistência, mantendo erros de regime abaixo de 5% e o tempo de acomodação na casa de milissegundo. Resultados do controle do velocidade (utilizando uma malha externa com PI) mostram baixo erro de regime e robustez para até 100% de variação de resistência para ambas estratégias de orientação, com destaque para o desempenho da orientação indireta na resposta dinâmica.
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